After-Hours Buzz: AAPL, YUM, AMGN & More

Check out which companies are making headlines after the bell Tuesday:

Apple - The iPhone maker posted earnings of $10.09 a share on sales of $43.60 billion, exceeding Wall Street expectations for $10 a share on revenue of $42.31 billion. In addition, the company increased its share repurchase program to $60 billion and hiked its dividend by 15 percent. But the company handed in third-quarter revenue guidance that fell short of expectations. Shares initially jumped following the earnings report in extended-hours trading, but turned lower amid the company's conference call.

Amgen - The biopharmaceutical company posted earnings of $1.96 a share on revenue of $4.2 billion. Analysts expected the company to post earnings of $1.84 a share on revenue of $4.37 billion. In addition, the company said its full-year earnings would be above the midpoint of its previously announced forecast. Still, shares tumbled in extended-hours trading.

AT&T - The telecommunications company posted earnings of 64 cents a share, in line with estimates, on revenue of $31.36 billion, missing expectations for $31.75 billion. Shares declined in extended-hours trading.

Cree - The semiconductor materials manufacturer posted earnings of 34 cents a share, matching expectations, on revenue of $349 million, edging past revenue projections for $343 million. Meanwhile, the company handed in current-quarter earnings guidance that met estimates and a revenue outlook that was in the higher end of expectations. Still, shares dropped in extended-hours trading.

Norfolk Southern - The railroad company posted earnings of $1.41 a share on sales of $2.74 billion against expectations for $1.17 a share on revenue of $2.78 billion. Shares edged lower in extended-hours trading.

DeVry - The for-profit education company posted earnings of 90 cents a share, excluding one-time items, on revenue of $5.09 billion, against expectations for 82 cents a share on sales of $5.17 billion. The company added that new undergraduate student enrollment fell 21 percent in the quarter. Shares declined in extended-hours trading.

FedEx - The package delivery service said it signed a seven-year, $10.5 billion agreement with the United States Postal Service. The deal calls for FedEx to carry Express Mail and Priority Mail between U.S. airports. FedEx shares advanced in extended-hours trading.

Charles Schwab - Customers of the discount brokerage were unable to access the website or log on to their accounts through mobile devices late Tuesday. Shares were lower in extended-hours trading.

Wells Fargo - The banking giant increased its quarterly dividend by 20 percent to 30 cents a share from 25 cents a share. The latest dividend increase was part of the company's 2013 capital plan that the Federal Reserve approved in March. Shares were largely unchanged in extended-hours trading.

ConocoPhillips - Cowen initiated coverage of the oil company with a "hold" rating. Shares were mostly flat in extended-hours trading.

GNC Holdings - The health and nutrition products retailer was initiated with an "outperform" rating at RW Baird. But shares slipped in extended-hours trading.